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Finding the Third Proportional to 282,588.75 and 420,964.13

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Solution

The third proportional to 282,588.75 and 420,964.13 is: 627,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,588.75 : 420,964.13 = 420,964.13 : x
  2. Step 2: Convert to fraction form
    282,588.75/420,964.13 = 420,964.13/x
  3. Step 3: Cross multiply
    282,588.75x = 420,964.13 × 420,964.13
  4. Step 4: Simplify right side
    282,588.75x = 177,210,794,537.02
  5. Step 5: Solve for x
    x = 177,210,794,537.02/282,588.75
  6. Step 6: Final answer
    x = 627,097.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.